saginaw 4 speed ?'s

im working on the clutch linkage for my ride. i dont have a clutch in there yet. i want to know if anybody has any measurements of how much travel is needed? the tranny is out of a 70 nova, from what they told me. i bought the short throw out bearing arm from advanced. it fits most of all of the chevy rides.



thanks

 

Hydralic throwout bearing. F linkage. (my opinion)

 

It really doesn't matter what type of transmission you're using (as long as it's not an automatic)
What matters is that there is enough travel in the clutch linkage to allow the throwout bearing to move enough to put enough pressure on the pressure plate fingers to allow the clutch to disengage (wow)
The above depends on the type of car - the style of clutch pedel, the linkage, and how it's cludged together - there is no standard measurement with mix and (mis)match.

 

I have to agree with Hightone on this one.I've had a Quartermaster hydraulic T/O in my daily driver for almost a 100,000 mi now. Never would I go back to linkage, ever. A little more cost effective way of going about it would be to use an external slave cylinder acting on the throwout arm you already have. Sorry that doesn't answer your question dirrectly, but maybe some ideas to make life easier.

 

That is what I did as well, hydraulic throw out bearing with a 5/8 master cylinder.

 

The throw out bearing is supposed to match the pressure plate

 

here ya go watch this video its preety handy.

click here ----->YouTube - Clutch install video

 

Ok, I just have to ask, what chassis is this going into? That may make a lot of difference in how difficult or easy it is to hook up clutch linkage.

If you have to fab everything from scratch and figure it out every step of the way, the guys are probably right in suggesting the hydraulic throw out bearing as it will simplify things. But, if you are running a chassis that came with a standard trans and still have the clutch pedal and some of the linkage it may be easier to just fab the linkage you need to make it work and get on with it.

 

im fab everything from scratch and figure it out every step of the way. i think i got it now.

well see.

its in a custom 1933 olds sedan, my built frame.

 

I would have guessed that the longer style T.O. bearing would have been more common as it was used with the lighter duty low cone diaphragm pressure plates. The shorter bearing was used with the heavier duty high cone diaphragm, or maybe if you were trying to put a Borg & Beck style pressure plate in it.

 

You can fab linkage, draw it to scale ,and make a mockup then play with pivet points etc. With the trans in the car and in gear, move the clutch fork until the driveshaft is moving freely. Measure how much you had to move the arm and that tells you the necessary linkage travel.
If I can do it anyone can.